# Spac Tracker vs Flow Greeks

The clearest difference is rating: Flow Greeks at 4.7 against Spac Tracker's 3.0. Flow Greeks also leads on review sentiment (31% vs 0%) and ratings volume (276 vs 2). Spac Tracker's advantage is in-app purchases (none vs 2) and iOS requirement (12.0 vs 15.6). On price, ads and device support there is nothing between them.

Both are free to download. Flow Greeks sells 2 in-app purchases, starting at $29.99 per month. Spac Tracker asks for nothing beyond the download.

Flow Greeks holds the better App Store score, 4.7 against 3.0. That said, the two scores are not equally well evidenced: Flow Greeks has 276 ratings behind it against 2, so its average is the more settled of the two. Written reviews point the same way: 0% of Spac Tracker's written reviews are positive against 31% of Flow Greeks's.

## The numbers

| Metric | Spac Tracker | Flow Greeks |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.0 (2 ratings)](https://appshunter.io/ios/app/spac-tracker/id1601771714/reviews) | **[4.7 (276 ratings)](https://appshunter.io/ios/app/flow-greeks-unusual-options/id6451004733/reviews)** |
| Number of ratings | 2 | **276** |
| Positive reviews | 0.0% of reviews | **30.8% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | Yes | Yes |
| Update frequency | — | Fortnightly |
| Monetization | **Ad-supported** | Free with in-app purchases |
| Size | 72 MB | 96 MB |
| Requires iOS | **12.0** | 15.6 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 17+ | 4+ |
| Developer | [XParis](https://appshunter.io/developer/1593600223) | [GammaGreeks Unusual Options Flow Alerts & Trading Signals](https://appshunter.io/developer/1866030650) |

## What reviewers say

### Spac Tracker

[App page](https://appshunter.io/ios/app/spac-tracker/id1601771714)

Stay informed about Special Purpose Acquisition Companies (SPACs) with real-time news, event calendars, and detailed company information. Track your selected SPACs with a watchlist and receive custom notifications for important updates and mergers.

**Highlights:** Breaking SPAC news from top sources, Daily SPAC event calendar, Detailed SPAC and target company info, Watchlist for selected SPACs, Customizable alarm manager for notifications, Real-time charts and performance tracking

**Features:** macOS Compatibility

**In-app purchases:** none


### Flow Greeks

[App page](https://appshunter.io/ios/app/flow-greeks-unusual-options/id6451004733)

Analyze institutional options trading activity in real-time. Identify sweeps and blocks to understand potential market movements and receive trade-worthy alerts. Access historical data and screen for unusual options activity.

**Highlights:** Real-time options flow (Sweeps & Blocks), Trade-worthy alert notifications, On-demand historical flow data (30 days), Flow screener with advanced filters, Unusual options activity identification, Bullish/Bearish leaderboard

**Features:** macOS Compatibility, Family Sharing, Vision Pro support

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| FlowGreeks Premium Monthly | $29.99 | per month |
| FlowGreeks Premium Yearly | $199.99 | per year |


## Frequently asked questions

### Is Spac Tracker free?

Spac Tracker is free to download, with no in-app purchases.

### Is Flow Greeks free?

Flow Greeks is free to download, with in-app purchases available.

### Which has better reviews, Spac Tracker or Flow Greeks?

Flow Greeks is rated higher. Spac Tracker averages 3.0 out of 5 from 2 ratings, while Flow Greeks averages 4.7 from 276 ratings.

### Do Spac Tracker or Flow Greeks have ads?

Both Spac Tracker and Flow Greeks show ads.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*